diff options
| author | Robert Jarzmik <robert.jarzmik@free.fr> | 2017-09-13 22:37:22 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-09-19 19:09:36 +0300 |
| commit | aaafcfed9290349555a326fff1147460a54c34f2 (patch) | |
| tree | 962478cef613000b89f9f3b148faaa0e059b7c1b /sound/soc/codecs/wm9705.c | |
| parent | c6e46e52b7b3301dda529830226e578cf773151c (diff) | |
| download | linux-aaafcfed9290349555a326fff1147460a54c34f2.tar.xz | |
ASoC: wm9705: add ac97 new bus support
Add support for the new ac97 bus model, where devices are automatically
discovered on AC-Links.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/wm9705.c')
| -rw-r--r-- | sound/soc/codecs/wm9705.c | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/sound/soc/codecs/wm9705.c b/sound/soc/codecs/wm9705.c index 08477d040028..68c204e3599f 100644 --- a/sound/soc/codecs/wm9705.c +++ b/sound/soc/codecs/wm9705.c @@ -11,6 +11,7 @@ #include <linux/init.h> #include <linux/slab.h> +#include <linux/mfd/wm97xx.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/device.h> @@ -18,6 +19,8 @@ #include <sound/core.h> #include <sound/pcm.h> #include <sound/ac97_codec.h> +#include <sound/ac97/codec.h> +#include <sound/ac97/compat.h> #include <sound/initval.h> #include <sound/soc.h> @@ -26,6 +29,7 @@ struct wm9705_priv { struct snd_ac97 *ac97; + struct wm97xx_platform_data *mfd_pdata; }; static const struct reg_default wm9705_reg_defaults[] = { @@ -319,17 +323,24 @@ static int wm9705_soc_probe(struct snd_soc_codec *codec) struct regmap *regmap; int ret; - wm9705->ac97 = snd_soc_new_ac97_codec(codec, WM9705_VENDOR_ID, - WM9705_VENDOR_ID_MASK); - if (IS_ERR(wm9705->ac97)) { - dev_err(codec->dev, "Failed to register AC97 codec\n"); - return PTR_ERR(wm9705->ac97); - } - - regmap = regmap_init_ac97(wm9705->ac97, &wm9705_regmap_config); - if (IS_ERR(regmap)) { - ret = PTR_ERR(regmap); - goto err_free_ac97_codec; + if (wm9705->mfd_pdata) { + wm9705->ac97 = wm9705->mfd_pdata->ac97; + regmap = wm9705->mfd_pdata->regmap; + } else { +#ifdef CONFIG_SND_SOC_AC97_BUS + wm9705->ac97 = snd_soc_new_ac97_codec(codec, WM9705_VENDOR_ID, + WM9705_VENDOR_ID_MASK); + if (IS_ERR(wm9705->ac97)) { + dev_err(codec->dev, "Failed to register AC97 codec\n"); + return PTR_ERR(wm9705->ac97); + } + + regmap = regmap_init_ac97(wm9705->ac97, &wm9705_regmap_config); + if (IS_ERR(regmap)) { + ret = PTR_ERR(regmap); + goto err_free_ac97_codec; + } +#endif } snd_soc_codec_set_drvdata(codec, wm9705->ac97); @@ -343,10 +354,14 @@ err_free_ac97_codec: static int wm9705_soc_remove(struct snd_soc_codec *codec) { +#ifdef CONFIG_SND_SOC_AC97_BUS struct wm9705_priv *wm9705 = snd_soc_codec_get_drvdata(codec); - snd_soc_codec_exit_regmap(codec); - snd_soc_free_ac97_codec(wm9705->ac97); + if (!wm9705->mfd_pdata) { + snd_soc_codec_exit_regmap(codec); + snd_soc_free_ac97_codec(wm9705->ac97); + } +#endif return 0; } @@ -374,6 +389,7 @@ static int wm9705_probe(struct platform_device *pdev) if (wm9705 == NULL) return -ENOMEM; + wm9705->mfd_pdata = dev_get_platdata(&pdev->dev); platform_set_drvdata(pdev, wm9705); return snd_soc_register_codec(&pdev->dev, |